8 x 4 x 3 mm Rare Earth Block Magnet N50M Ni

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8 x 4 x 3 mm Rare Earth Block Magnet N50M Ni, Super Strong Rare Earth Licensed Sintered NdFeB Block Magnet for Motor Sensor Rotor Toy, Nickel Coating Neodymium Rectangular Square Permanent Magnets China Supplier

8 x 4 x 3 mm Rare Earth Block Magnet N50M Ni Technical Specifications:
Item: NBN50M-8-4-3
Grade: N50M
Material: Neodymium (NdFeB)
Plating: Nickel
Shape: Block, Rectangular, Rectangle, Square
Dimension:
Length (L): 8 mm
Height (H): 4 mm
Width (W): 3 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1400-1450 mT (14.0-14.5 kGs)
Energy Density (BH)max: 382-406 KJ/m³ (48-51 MGOe)
Coercivity Force (Hcb): ≥ 1033 kA/m ( ≥ 13.0 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 1114 kA/m ( ≥ 14 kOe)
Maximum Operation Temperature: 100 °C
Delivery Time: 14-35 days

Block Magnets – Holding forces are measured on steel plates (constructional steel of thickness min. 1 cm). Other metallic bonding surfaces or other influences (air humidity, room temperature, vertical position, dirt or dust) might reduce holding force. All declarations are average values.

Powerful Sintered Neodymium-Iron-Boron magnet Small Neodymium Rectangle Magnet Rare Earth NdFeB Block Magnet
NdFeB Small Magnet Feature:
1) Suitable for marking small volume magnet with complex shape;
2) Regular shape, precision size, various coating;
3) Strong anti-demagnetization;
4) Grade: N33, N35, N38, N40, N42, N45, 30M, 33M, 35M, 38M, 40M, 30H, 33H, 35H, 38H, 40H, 30SH, 33SH, 35SH, 38SH, 28UH, 30UH, 28EH, 30EH.
5) Good stability.
6) Meet the environment standard of RoHS.
Mainly made from neodymium, iron and boron and other metal element, it is the most powerful commercialized rare earth permanent magnets available today, with maximum energy product ranging from 8 MGOe to 55 MGOe and good coercive force. Widely used in industrial automation, mine, motor, communication, petroleum, magnet separator, medical treatment, Hifi acoustics, computer, Aviation, testing device, electronics and timekeeper ect.